CN105579541A - Radical curing adhesive composition and polarizing plate comprising same - Google Patents
Radical curing adhesive composition and polarizing plate comprising same Download PDFInfo
- Publication number
- CN105579541A CN105579541A CN201480043232.3A CN201480043232A CN105579541A CN 105579541 A CN105579541 A CN 105579541A CN 201480043232 A CN201480043232 A CN 201480043232A CN 105579541 A CN105579541 A CN 105579541A
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- compound
- binder composition
- free radical
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- 239000000203 mixture Substances 0.000 title claims abstract description 92
- 239000000853 adhesive Substances 0.000 title abstract description 8
- 230000001070 adhesive effect Effects 0.000 title abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 63
- 239000003999 initiator Substances 0.000 claims abstract description 20
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 14
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 10
- 239000011230 binding agent Substances 0.000 claims description 99
- 150000003254 radicals Chemical class 0.000 claims description 73
- 239000000126 substance Substances 0.000 claims description 56
- -1 (methyl) acryl Chemical group 0.000 claims description 49
- 230000001681 protective effect Effects 0.000 claims description 25
- 230000007704 transition Effects 0.000 claims description 20
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 11
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 11
- 239000004215 Carbon black (E152) Substances 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- 238000007711 solidification Methods 0.000 claims description 9
- 230000008023 solidification Effects 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 229910052740 iodine Inorganic materials 0.000 claims description 7
- 239000011630 iodine Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 125000004185 ester group Chemical group 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 29
- 239000011347 resin Substances 0.000 description 29
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 239000010410 layer Substances 0.000 description 23
- 125000000217 alkyl group Chemical group 0.000 description 21
- 239000012528 membrane Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 21
- 239000003795 chemical substances by application Substances 0.000 description 20
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 13
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- 150000002430 hydrocarbons Chemical group 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 239000011342 resin composition Substances 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 150000001721 carbon Chemical group 0.000 description 6
- 239000003232 water-soluble binding agent Substances 0.000 description 6
- 229920002284 Cellulose triacetate Polymers 0.000 description 5
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 5
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 125000005250 alkyl acrylate group Chemical group 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical group 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 229920006026 co-polymeric resin Polymers 0.000 description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000002075 main ingredient Substances 0.000 description 3
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- UOWYAYUKVCYZPR-UHFFFAOYSA-N 1,1'-biphenyl;sulfane Chemical compound S.C1=CC=CC=C1C1=CC=CC=C1 UOWYAYUKVCYZPR-UHFFFAOYSA-N 0.000 description 2
- GRZJZRHVJAXMRR-UHFFFAOYSA-N 1-cyclohexyl-2-phenylbenzene Chemical group C1CCCCC1C1=CC=CC=C1C1=CC=CC=C1 GRZJZRHVJAXMRR-UHFFFAOYSA-N 0.000 description 2
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 description 2
- VFZKVQVQOMDJEG-UHFFFAOYSA-N 2-prop-2-enoyloxypropyl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(=O)C=C VFZKVQVQOMDJEG-UHFFFAOYSA-N 0.000 description 2
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001454 anthracenes Chemical class 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 2
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 description 2
- 150000002790 naphthalenes Chemical class 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- HIDBROSJWZYGSZ-UHFFFAOYSA-N 1-phenylpyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1 HIDBROSJWZYGSZ-UHFFFAOYSA-N 0.000 description 1
- IMSODMZESSGVBE-UHFFFAOYSA-N 2-Oxazoline Chemical compound C1CN=CO1 IMSODMZESSGVBE-UHFFFAOYSA-N 0.000 description 1
- UHFFVFAKEGKNAQ-UHFFFAOYSA-N 2-benzyl-2-(dimethylamino)-1-(4-morpholin-4-ylphenyl)butan-1-one Chemical compound C=1C=C(N2CCOCC2)C=CC=1C(=O)C(CC)(N(C)C)CC1=CC=CC=C1 UHFFVFAKEGKNAQ-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N 2-butenoic acid Chemical compound CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- MLMKPOWLMMOBEY-UHFFFAOYSA-N 3-cyclohexylfuran-2,5-dione Chemical compound O=C1OC(=O)C(C2CCCCC2)=C1 MLMKPOWLMMOBEY-UHFFFAOYSA-N 0.000 description 1
- AYKYXWQEBUNJCN-UHFFFAOYSA-N 3-methylfuran-2,5-dione Chemical compound CC1=CC(=O)OC1=O AYKYXWQEBUNJCN-UHFFFAOYSA-N 0.000 description 1
- QZYCWJVSPFQUQC-UHFFFAOYSA-N 3-phenylfuran-2,5-dione Chemical compound O=C1OC(=O)C(C=2C=CC=CC=2)=C1 QZYCWJVSPFQUQC-UHFFFAOYSA-N 0.000 description 1
- JNRLEMMIVRBKJE-UHFFFAOYSA-N 4,4'-Methylenebis(N,N-dimethylaniline) Chemical class C1=CC(N(C)C)=CC=C1CC1=CC=C(N(C)C)C=C1 JNRLEMMIVRBKJE-UHFFFAOYSA-N 0.000 description 1
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
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- KOGREUUCMVDKFD-UHFFFAOYSA-N CC(CCC(O)=O)OC(COC(C=C)=O)COc1ccc(C(C)(C)c(cc2)ccc2OCC(COC(C=C)=O)OC(CCC(O)=O)=O)cc1 Chemical compound CC(CCC(O)=O)OC(COC(C=C)=O)COc1ccc(C(C)(C)c(cc2)ccc2OCC(COC(C=C)=O)OC(CCC(O)=O)=O)cc1 KOGREUUCMVDKFD-UHFFFAOYSA-N 0.000 description 1
- XVZXOLOFWKSDSR-UHFFFAOYSA-N Cc1cc(C)c([C]=O)c(C)c1 Chemical group Cc1cc(C)c([C]=O)c(C)c1 XVZXOLOFWKSDSR-UHFFFAOYSA-N 0.000 description 1
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- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
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- 230000000996 additive effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical group 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
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- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
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- 125000004429 atom Chemical group 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000003851 corona treatment Methods 0.000 description 1
- 125000000392 cycloalkenyl group Chemical group 0.000 description 1
- 125000000522 cyclooctenyl group Chemical group C1(=CCCCCCC1)* 0.000 description 1
- DIOQZVSQGTUSAI-NJFSPNSNSA-N decane Chemical group CCCCCCCCC[14CH3] DIOQZVSQGTUSAI-NJFSPNSNSA-N 0.000 description 1
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- YLHXLHGIAMFFBU-UHFFFAOYSA-N methyl phenylglyoxalate Chemical compound COC(=O)C(=O)C1=CC=CC=C1 YLHXLHGIAMFFBU-UHFFFAOYSA-N 0.000 description 1
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- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical group CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical group CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
- C09J2433/003—Presence of (meth)acrylic polymer in the primer coating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
- C09K2323/031—Polarizer or dye
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
- C09K2323/035—Ester polymer, e.g. polycarbonate, polyacrylate or polyester
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
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Abstract
The present invention relates to a radical curing adhesive composition and a polarizing plate comprising the same, the radical curing adhesive composition comprising: a first compound represented by formula I; a second radical curing compound comprising, within a molecule, at least two of each of benzene rings, (meth)acryloyl groups and carboxyl groups; and a radical initiator.
Description
Technical field
The disclosure relates to the curable binder composition of a kind of free radical and comprises the Polarizer of said composition; and more specifically; relate to and a kind ofly there is excellent bond strength between polaroid and protective membrane and there is the curable binder composition of the free radical of excellent water tolerance and thermotolerance, and comprise the Polarizer of said composition.
Background technology
Generally used and there is the Polarizer of following structure: use tackiness agent protective film to be pressed in the polaroid of the resin formation based on polyvinyl alcohol (hereinafter referred to as ' PVA ') with dichroic dye or iodine staining one or two on the surface.Usually use film based on triacetyl cellulose (TAC) as polarization board protective film in the art, but TAC film have hold yielding problem under high temperature and high humidity environment.Therefore; develop the protective membrane formed by multiple material that can replace TAC film recently; and such as, proposed the method being used alone or using polyethylene terephthalate (PET) film, cyclic olefin polymer (COP) film and the film based on vinylformic acid (acryl) with its form of mixtures.
At this, usually use the water-soluble binder formed by the aqueous solution of the resin based on polyvinyl alcohol as the tackiness agent for making polaroid and protective membrane adhere to.But the problem that water-soluble binder has is the material according to film, its use is restricted, this is because weak as bond strength during protective membrane replacement TAC when using based on acrylic acid film or COP film etc.Except the problem of the bond strength defect according to material; the problem that described water-soluble binder also has is: when the Protective coatings used on two surfaces of PVA element is different; due to the drying process of water-soluble binder; produce curling in Polarizer, and initial optical property-deterioration.In addition, the absolute demand drying process when using water-soluble binder, and in drying process, there is the difference of water vapour permeability, thermal expansion etc., cause the problem that fraction defective rises.As the possibility solved the problem, propose to use non-water-soluble adhesive to replace the method for water-soluble binder.
According to the kind of solidification, the tackiness agent of the tackiness agent that the non-water-soluble adhesive for Polarizer proposed so far can be divided into free radical curable and cationic curable.The advantage that the tackiness agent of cationic curable has is to obtain the bond strength of the excellence for the film prepared by multiple material, but has many shortcomings in a manufacturing process due to low curing speed and low degree of cure.Proposed have comprise hydrophilic functional groups based on acrylic acid compound as the curable tackiness agent of the free radical of main ingredient, thus solve the problem of the tackiness agent of this cationic curable.But, when having based on acrylic acid compound as the tackiness agent that the free radical of main ingredient is curable, this tackiness agent has low second-order transition temperature after radically curing, therefore, Problems existing is that the Polarizer using this tackiness agent to prepare has poor resistance to thermal reliability.
Consider above-mentioned matters, proposed and additionally added hydrophilic and polyfunctional monomer and make itself and the technology based on acrylic acid compound, thus improved the second-order transition temperature of tackiness agent.But, when additionally adding these monomers, the second-order transition temperature of tackiness agent can be improved, but need the non-constant of water tolerance of the fundamental property had as Polarizer, this becomes the critical defect using this tackiness agent in Polarizer.
Therefore, need to have excellent bond strength between polaroid and protective membrane and there is the curable tackiness agent of the new free radical of excellent water tolerance and thermotolerance.
Summary of the invention
Technical problem
Consider above-mentioned matters; an object of the present invention is to provide and a kind ofly there is excellent bond strength between polaroid and protective membrane and there is the curable binder composition of the free radical of excellent water tolerance and thermotolerance, and comprise the Polarizer of the curable binder composition of this free radical.
Technical scheme
In one aspect, the invention provides the binder composition that a kind of free radical is curable, it comprises: the first compound that [Formula I] represents by below; Phenyl ring in the molecule, (methyl) acryl and carboxyl have the second curable compound of plural free radical separately; And radical initiator.
[Formula I]
In [Formula I], R
1for ester group or ether; R
2for C
1 ~ 10alkyl, C
4 ~ 10cyclic hydrocarbon radical or their combination, and at this, R
2there is at least one hydroxyl substituent in the molecule; And R
3for hydrogen, or substituted or unsubstituted C
1 ~ 10alkyl.
Meanwhile, the second compound is preferably the compound that [Formulae II] represents by below.
[Formulae II]
In [Formulae II], R
4and R
5be C independently of one another
1 ~ 10aliphatic chain, C
4 ~ 14aliphatic series ring, C
6 ~ 14aromatic ring or their combination; R
6and R
7be C independently of one another
1 ~ 14alkyl, C
4 ~ 14cyclic hydrocarbon radical, C
6 ~ 14aryl or their combination, and at this, R
6and R
7in the molecule there is at least one carboxyl substituent independently of one another; R
8and R
9be acryl or methacryloyl independently of one another; R
10for singly-bound or C
1 ~ 10alkylene; R
11and R
12be halogen atom or C independently of one another
1 ~ 10alkyl; A and b is the integer of 0 to 2 independently of one another; X
1and X
2be singly-bound or-O-independently of one another; X
3and X
4be singly-bound ,-O-,-CO-,-COO-or-OCO-independently of one another; And X
5and X
6be singly-bound or-O-independently of one another.
Meanwhile, relative to the binder composition of 100 weight parts, the curable binder composition of free radical preferably comprises the radical initiator of the first compound of 10 to 80 weight parts, the second compound of 10 to 80 weight parts and 0.5 to 10 weight part.
Meanwhile, the first compound can comprise be selected from by below in compound that [chemical formula 1] to [chemical formula 10] represent one or more.
[chemical formula 1]
[chemical formula 2]
[chemical formula 3]
[chemical formula 4]
[chemical formula 5]
[chemical formula 6]
[chemical formula 7]
[chemical formula 8]
[chemical formula 9]
[chemical formula 10]
In addition, the second compound can comprise one or more compounds be selected from by below in compound that [chemical formula 11] and [chemical formula 12] represent.
[chemical formula 11]
[chemical formula 12]
Meanwhile, the acid number of the second compound is preferably 50 to 300mgKOH/g.
Meanwhile, the binder composition that free radical is curable can comprise photoacid generator (photoacidgenerator) further.
At this, the binder composition curable relative to the free radical of 100 weight parts, the content of photoacid generator is preferably 0.5 to 10 weight part.
Meanwhile, the binder composition that free radical is curable preferably has the second-order transition temperature of more than 60 DEG C after solidification.
In addition, the binder composition that free radical is curable preferably has the viscosity of 10 to 200cP.
On the other hand, the invention provides a kind of Polarizer, it comprises polaroid; At at least one binder layer formed on the surface of described polaroid; With the polarizing plate protective film formed on described binder layer, wherein, the curable binder composition of described free radical is used to form described binder layer.
At this, described polaroid has preferably wherein adsorbed iodine or dichroic dye and the film based on polyvinyl alcohol of orientation.
[beneficial effect]
The curable binder composition of free radical according to the present invention has excellent bond strength to polaroid and protective membrane, and has excellent water tolerance, and therefore, it can be advantageously utilised between polaroid and the protective membrane with high-moisture.
In addition, the curable binder composition of free radical according to the present invention has high second-order transition temperature, and therefore, the advantage had is to use the Polarizer of described composition to have excellent thermotolerance.
Embodiment
Hereinafter, will describe preferred embodiment of the present invention.But embodiments of the present invention can be modified to other form multiple, and scope of the present invention is not limited to embodiment described below.In addition, additionally provide embodiments of the present invention, thus more completely describe the present invention to those skilled in the art.
1, the binder composition that free radical is curable
As the result of extensively research; the present inventor has been found that: when phenyl ring in the molecule, (methyl) acryl and carboxyl have the curable compound of plural free radical separately with when having the mixing based on acrylic acid compound etc. of hydroxyl; obtain very excellent water tolerance and thermotolerance, and complete the present invention.
More specifically, the binder composition that free radical of the present invention is curable comprises: the first compound represented by [Formula I]; Phenyl ring in the molecule, (methyl) acryl and carboxyl have the second curable compound of plural free radical separately; And radical initiator.
[Formula I]
In [Formula I], R
1for ester group or ether; R
2for C
1 ~ 10alkyl, C
4 ~ 10cyclic hydrocarbon radical or their combination, and at this, R
2there is at least one hydroxyl substituent in the molecule; And R
3for hydrogen, or substituted or unsubstituted C
1 ~ 10alkyl.
More preferably, relative to the binder composition of 100 weight parts, the curable binder composition of free radical of the present invention preferably comprises the radical initiator of the first compound of 10 to 80 weight parts, the second compound of 10 to 80 weight parts and 0.5 to 10 weight part.
1-1. first compound
First, the first compound is the component for using the bond strength being obtained tackiness agent by the hydrogen bonding of hydroxyl, and can use the multiple compounds that [Formula I] represents by below.
[Formula I]
In [Formula I], R
1for ester group or ether; R
2for C
1 ~ 10alkyl, C
4 ~ 10cyclic hydrocarbon radical or their combination, and at this, R
2there is at least one hydroxyl substituent in the molecule; And R
3for hydrogen, or substituted or unsubstituted C
1 ~ 10alkyl.
At this, at R
2in, alkyl represents the straight or branched hydrocarbon part of 1 to 10,1 to 8 or 1 to 4 carbon atom, and alkyl in this manual can comprise at least one unsaturated link(age) in the molecule.Meanwhile, the example of alkyl can include, but not limited to methyl, ethyl, propyl group, butyl, amyl group, hexyl, heptyl, octyl group, nonyl, decyl etc.
In addition, at R
2in, cyclic hydrocarbon radical represents the non-aromatic monocyclic of 4 to 14,4 to 10 or 4 to 6 ring carbon, two rings or tricyclic hydrocarbon part, and cyclic hydrocarbon radical in this manual can comprise at least one unsaturated link(age) in the molecule.Meanwhile, the example of cyclic hydrocarbon radical can include, but not limited to pentamethylene ring, cyclohexane ring etc.
Meanwhile, hydroxyl can the optional position of substituted hydrocarbon radical or cyclic hydrocarbon radical.Such as, hydroxyl can be positioned at the end of alkyl, or is positioned at the centre of alkyl.Meanwhile, other hydrogen atoms comprised in alkyl or cyclic hydrocarbon radical can be optionally substituted base and replace.
In addition, at R
3in, alkyl represents the straight or branched hydrocarbon part of 1 to 10,1 to 8 or 1 to 4 carbon atom, and alkyl in this manual can comprise at least one unsaturated link(age) in the molecule.Meanwhile, the example of alkyl can include, but not limited to methyl, ethyl, propyl group, butyl, amyl group, hexyl, heptyl, octyl group, nonyl, decyl etc.The more than one hydrogen atom comprised in alkyl can be replaced by arbitrary substituting group.
In the present invention, the example of the first compound can include, but not limited to be selected from by below one or more compounds in the compound that [chemical formula 1] to [chemical formula 10] represent.
[chemical formula 1]
[chemical formula 2]
[chemical formula 3]
[chemical formula 4]
[chemical formula 5]
[chemical formula 6]
[chemical formula 7]
[chemical formula 8]
[chemical formula 9]
[chemical formula 10]
Meanwhile, relative to total binder composition of 100 weight parts, the content of the first compound can be about 10 to 80 weight parts, preferably about 20 to 75 weight parts, and more preferably from about 30 to 65 weight parts.When the content of the first compound is too low, be difficult to guarantee bond strength, and when described content is too high, the second-order transition temperature of binder composition declines, and it causes thermotolerance to decline.
1-2. second compound
Next; the second compound comprised in the binder composition that free radical according to the present invention is curable for for the second-order transition temperature by improving binder composition for tackiness agent provides moistureproof moist; and further; improve the component of thermotolerance, and phenyl ring in the molecule, (methyl) acryl and carboxyl can be used to have the curable multiple compounds of plural free radical separately.At this, (methyl) acryl represents acryl or methacryloyl.
Specifically, second compound of the present invention improves bond strength by carboxyl removing moisture (bond strength that moisture damage is obtained by the hydroxyl of the first compound and the hydrogen bonding of polaroid) be present in molecule, and further, by make binder layer because of exist in molecule there is high molecular density become fine and close containing the part of phenyl ring and rigidity and make moisture be difficult to pass through, thus improve water tolerance.In addition, owing to there is the part containing phenyl ring with high molecular density in the molecule, second compound itself has high glass-transition temperature, and the binder layer to cause due to the hydrogen bonding between the carboxyl that exists in the molecule and the hydroxyl of the first compound becomes rigidity, thus the second-order transition temperature of binder layer improves.
Meanwhile, in the present invention, the second compound is preferably, but is not limited to, the compound that [Formulae II] represents by below.In this case, water tolerance excellent especially and thermotolerance can be guaranteed.
[Formulae II]
In [Formulae II], R
4and R
5be C independently of one another
1 ~ 10aliphatic chain, C
4 ~ 14aliphatic series ring, C
6 ~ 14aromatic ring or their combination; R
6and R
7be C independently of one another
1 ~ 14alkyl, C
4 ~ 14cyclic hydrocarbon radical, C
6 ~ 14aryl or their combination, and at this, R
6and R
7in the molecule there is at least one carboxyl substituent independently of one another; R
8and R
9be acryl or methacryloyl independently of one another; R
10for singly-bound or C
1 ~ 10alkylene; R
11and R
12be halogen atom or C independently of one another
1 ~ 10alkyl; A and b is the integer of 0 to 2 independently of one another; X
1and X
2be singly-bound or-O-independently of one another; X
3and X
4be singly-bound ,-O-,-CO-,-COO-or-OCO-independently of one another; And X
5and X
6be singly-bound or-O-independently of one another.
At this, at R
4and R
5in, aliphatic chain represents the straight or branched of 1 to 10,1 to 8 or 1 to 4 carbon atom, saturated or undersaturated trivalent hydrocarbon part, and the example can comprise, but be not limited to, trivalent alkane chain, as methane chain, ethane chain, propane chain, butane chain, pentane chain, hexane chain, heptane chain, octane chain, nonane chain and decane chain.The more than one hydrogen atom comprised in aliphatic hydrocarbon chain can be replaced by arbitrary substituting group.
In addition, at R
4and R
5in, aliphatic series ring represents the trivalent of 4 to 14,4 to 10 or 4 to 6 ring carbon saturated or undersaturated non-aromatic monocyclic, two rings or tricyclic hydrocarbon part, and the example can comprise, but be not limited to, trivalent naphthenic hydrocarbon ring, as pentamethylene ring and cyclohexane ring, or trivalent cycloolefin ring, as cyclopentenes ring, cyclohexene ring and cyclooctene ring.The more than one hydrogen atom comprised in aliphatic hydrocrbon ring can be replaced by arbitrary substituting group.
In addition, at R
4and R
5in, aromatic ring represents trivalent monocycle, dicyclo or the three ring aromatic hydrocarbon moieties with 6 to 14 or 6 to 12 annular atomses, and the example can include, but not limited to the phenyl ring, naphthalene nucleus, anthracene nucleus, cyclohexyl biphenyl etc. of trivalent.The more than one hydrogen atom comprised in aromatic hydrocarbon ring can be replaced by arbitrary substituting group.
In addition, at R
6and R
7in, alkyl represents the straight or branched hydrocarbon part of 1 to 10,1 to 8 or 1 to 4 carbon atom, and alkyl in this manual can comprise at least one unsaturated link(age) in the molecule.Meanwhile, the example of alkyl can include, but not limited to methyl, ethyl, propyl group, butyl, amyl group, hexyl, heptyl, octyl group, nonyl, decyl etc.
In addition, at R
6and R
7in, cyclic hydrocarbon radical represents the non-aromatic monocyclic of 4 to 14,4 to 10 or 4 to 6 ring carbon, two rings or tricyclic hydrocarbon part, and cyclic hydrocarbon radical in this manual can comprise at least one unsaturated link(age) in the molecule.Meanwhile, the example of cyclic hydrocarbon radical can include, but not limited to pentamethylene ring, cyclopentenes ring, cyclohexane ring, cyclohexene ring etc.
In addition, at R
6and R
7in, aryl represents monocycle, dicyclo or the three ring aromatic hydrocarbon moieties with 6 to 14 or 6 to 12 ring carbon, and the example can include, but not limited to phenyl ring, naphthalene nucleus, anthracene nucleus, cyclohexyl biphenyl etc.
Meanwhile, carboxyl can the optional position of substituted hydrocarbon radical, cyclic hydrocarbon radical or aryl.Such as, carboxyl can be positioned at the end of alkyl, or is positioned at the centre of alkyl.Meanwhile, other hydrogen atoms comprised in alkyl, cyclic hydrocarbon radical or aryl can be optionally substituted base and replace.
In addition, at R
10in, alkylene represents the straight or branched divalent hydrocarbon portion of 1 to 10,1 to 8 or 1 to 4 carbon atom, and alkylene in this manual can comprise at least one unsaturated link(age) in the molecule.Meanwhile, the example of alkylene can include, but not limited to methylene radical, ethylidene, propylidene, butylidene, pentylidene, hexylidene, sub-heptyl, nonamethylene, sub-decyl etc.But, wherein, particularly preferably methylene radical or dimethylated methylene base.The more than one hydrogen atom comprised in alkylene can be replaced by arbitrary substituting group.
In addition, at R
11and R
12in, alkyl represents the straight or branched hydrocarbon part of 1 to 10,1 to 8 or 1 to 4 carbon atom, and alkyl in this manual can comprise at least one unsaturated link(age) in the molecule.Meanwhile, the example of alkyl can include, but not limited to methyl, ethyl, propyl group, butyl, amyl group, hexyl, heptyl, octyl group, nonyl, decyl etc.The more than one hydrogen atom comprised in alkyl can be replaced by arbitrary substituting group.
More specifically, the second compound can include, but not limited to be selected from by below one or more compounds in the compound that [chemical formula 11] and [chemical formula 12] represent.
[chemical formula 11]
[chemical formula 12]
Meanwhile, relative to total binder composition of 100 weight parts, the content of the second compound can be about 10 to 80 weight parts, preferably about 20 to 75 weight parts, and more preferably from about 30 to 65 weight parts.When the content of the second compound is too low, sufficient water tolerance and thermotolerance can not be guaranteed, and when it is too high, bond strength may be low.
Meanwhile, the acid number of the second compound can be 50 to 300mgKOH/g, and preferred about 50 to 250mgKOH/g or 100 to 200mgKOH/g.At this, described acid number represents the milligram quantity for the potassium hydroxide (KOH) in completely and needed for the sample of 1g.In this case, excellent water tolerance as above and thermotolerance can effectively be guaranteed.
1-3. radical initiator
Next, the radical initiator comprised in the binder composition that free radical according to the present invention is curable for improving curing speed by promoting Raolical polymerizable, and can be used in radical initiator usually used in this field without restriction as described radical initiator.
More specifically, the example of described radical initiator can comprise and is selected from 1-hydroxy-cyclohexyl-phenyl-one, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2-hydroxyl-1-[4-(2-hydroxyl-oxethyl) phenyl]-2-methyl isophthalic acid-acetone, methyl benzoylformate, oxygen-phenyl-acetic acid-2-[2 oxo-2-phenyl-acetoxy-oxyethyl group]-ethyl ester, oxygen-phenyl-acetic acid-2-[2-Hydroxy-ethoxy]-ethyl ester, alpha, alpha-dimethyl oxygen base-α-phenyl acetophenone, 2-benzyl-2-(dimethylamino)-1-[4-(4-morpholinyl) phenyl]-1-butanone, 2-methyl isophthalic acid-[4-(methylthio group) phenyl]-2-(4-morpholinyl)-1-acetone, phenylbenzene (2, 4, 6-trimethylbenzoyl)-phosphine oxide, phosphine oxide and phenyl two (2, 4, 6-trimethylbenzoyl) one or more in-phosphine oxide.In the present invention, two (2,4,6-the trimethylbenzoyl)-phosphine oxide of phenyl is particularly preferably used.
Meanwhile, such as, the binder composition curable relative to the free radical of 100 weight parts, the content of radical initiator can be preferably, such as, about 0.5 to 10 weight part, 1 to 5 weight part or 2 to 3 weight parts.When the content of radical initiator meets above-mentioned scope, then successfully can realize the solidification of tackiness agent.
1-4. photoacid generator
Meanwhile, if necessary, the binder composition that free radical of the present invention is curable can comprise photoacid generator further.Photoacid generator is the compound being produced acid (H+) by active energy ray, and when comprising photoacid generator extraly, the advantage existed is the acid number that can be regulated tackiness agent by photoacid generator, can improve bond strength better by it.
The photoacid generator that can use in the present invention preferably includes, such as, and sulfonium salt or salt compounded of iodine.The concrete example comprising the photoacid generator of sulfonium salt or salt compounded of iodine can comprise and is selected from phenylbenzene (4-thiophenyl) phenyl sulfonium hexafluoro antimonate, phenylbenzene (4-thiophenyl) phenyl sulfonium hexafluorophosphate, (phenyl) [4-(2-methyl-propyl) phenyl]-iodine hexafluorophosphate, (sulfo-two-4,1-phenylene) two (phenylbenzene sulfonium) two hexafluoro antimonates and (sulfo-two-4,1-phenylene) one or more in two (phenylbenzene sulfonium) two (hexafluorophosphate), but be not limited thereto.
Meanwhile, the binder composition curable relative to the free radical of 100 weight parts, the content of photoacid generator can be below 10 weight parts, and preferably 0.5 to 10 weight part, 2 to 8 weight parts or 3 to 7 weight parts.When the content of the photoacid generator comprised in the tackiness agent that free radical according to the present invention is curable meets above-mentioned scope, the advantage existed is: compared with not meeting the situation of above-mentioned scope with the content wherein not comprising photoacid generator or photoacid generator, improve bond strength better.
the physicals of the binder composition that 1-5. free radical is curable
Meanwhile, the curable binder composition of free radical according to the present invention preferably has the second-order transition temperature of more than 60 DEG C after solidification, such as, about 60 to 200 DEG C, 65 to 150 DEG C, or 65 to 120 DEG C.The Polarizer using the curable binder composition of the free radical according to the present invention of the second-order transition temperature had in above-mentioned scope to prepare has the advantage of thermotolerance and excellent water resistance.
In addition, the curable binder composition of free radical according to the present invention preferably has about 10 to 200cP, or the viscosity of 20 to 100cP.When the viscosity of binder composition meets above-mentioned scope, the advantage of existence is: due to low viscosity, can form thin binder layer, and excellent in workability.
In addition, the curable binder composition of free radical according to the present invention can have 0.5 to 10 μm, or the binder layer of 1 μm to 5 μm.When binder layer is too thin, the homogeneity of binder layer and bond strength may reduce, and when binder layer is too thick, may there is the problem of the outside crumple pleat of Polarizer.
The curable binder composition of free radical of the present invention as above not only has excellent bond strength to the film be made of a variety of materials, but also has excellent water tolerance and thermotolerance, and therefore, can be advantageously used in Polarizer.In addition, the curable binder composition of free radical according to the present invention has high curing speed and high degree of cure, and therefore, the advantage of existence is can boost productivity when preparing Polarizer.
2, Polarizer
Next, will describe according to Polarizer of the present invention.
Polarizer of the present invention comprises polaroid; At the binder layer that at least one free radical formed on the surface of described polaroid is curable; With the protective membrane formed on described binder layer, wherein, the curable binder composition of free radical according to the present invention as above is used to form described binder layer.
2-1. polaroid
First, described polaroid is not particularly limited, and can use polaroid well known in the art, such as, and the film formed by the polyvinyl alcohol (PVA) comprising iodine or dichroic dye.By utilizing iodine or dichroic dye dyeing PVA film to prepare polaroid, but described preparation method is not particularly limited.In the description, polaroid represents the state not comprising protective membrane, and Polarizer represents the state comprising polaroid and protective membrane.
2-2. binder layer
Next, use the curable binder composition of free radical according to the present invention as above to form the curable binder layer of free radical, and method well known in the art can be used to form the curable binder layer of free radical.Such as; can use by binder composition being coated on a surface of protective membrane, lamination polaroid and protective membrane, then solidified the method for gains by irradiation active energy beam (as ultraviolet, visible ray, electron beam and X-ray).At this, irradiance method is not particularly limited, and such as, can use ultraviolet irradiation device (fusionlamp, D bulb) irradiation about 10 to 2500mJ/cm
2ultraviolet method.
2-3. protective membrane
Next; protective membrane is used for load and protection polaroid; and can use by the usually known multiple material in this area without restriction, such as, based on cellulosic film, polyethylene terephthalate (PET) film, cyclic olefin polymer (COP) and the protective membrane made based on acrylic acid film.In these films, consider optical property, weather resistance, economical efficiency etc., particularly preferably use based on acrylic acid film.
Meanwhile, can be used in of the present invention based on acrylic acid film can by extrusion moulding to be formed comprise based on (methyl) acrylate resin as main ingredient material and obtain.At this, resin based on (methyl) acrylate comprises based on the material of (methyl) acrylic ester unit as the resin of major constituent for having, and this concept also not only comprises with the homopolymer formed based on the unit of (methyl) acrylate, also comprise the copolymer resin of other monomeric units of copolymerization except the unit based on (methyl) acrylate, and by the blending resin of other resins and this resin alloy based on (methyl) acrylate.
Meanwhile, the unit based on (methyl) acrylate can be, such as, based on the unit of (methyl) alkyl acrylate.At this, unit based on (methyl) alkyl acrylate represents the unit of unit based on alkyl acrylate and alkyl methacrylate, and based on the alkyl of the unit of (methyl) alkyl acrylate, preferably there is 1 to 10 carbonatoms, and more preferably there is 1 to 4 carbonatoms.
In addition, unit, the unit based on maleic anhydride, the unit etc. based on maleimide of styrene-based can be comprised with the monomeric unit of the unit copolymerization based on (methyl) acrylate.At this, the example of the unit of styrene-based can include, but not limited to vinylbenzene, alpha-methyl styrene etc.; Example based on the monomer of maleic anhydride can include, but not limited to maleic anhydride, methyl maleic anhydride, cyclohexyl maleic anhydride, phenylmaleic anhydride etc.; And maleimide, N-methylmaleimido, N-N-cyclohexylmaleimide, N-phenylmaleimide etc. can be included, but are not limited to based on the example of the monomer of maleimide.Can be used alone these, or to use their mixture.
Meanwhile, can for comprising the film of the resin based on (methyl) acrylate with lactonic ring structure based on acrylic acid film.The concrete example with the resin based on (methyl) acrylate of lactonic ring structure can comprise: the resin based on (methyl) acrylate disclosed in Japanese Patent Application Publication No.2000-230016, Japanese Patent Application Publication No.2001-151814 and Japanese Patent Application Publication No.2002-120326 etc. with lactonic ring structure.
Be not particularly limited for the preparation of the method based on acrylic acid film, and such as, can prepare by the following method based on acrylic acid film: fully mix resin based on (methyl) acrylate by using any suitable blending means, other polymkeric substance, the preparation such as additive thermoplastic resin composition, then gains are molded film forming, or can prepare by the following method based on acrylic acid film: prepare the resin based on (methyl) acrylate, other polymkeric substance, additives etc. are as independent solution, then mixed uniformly solution is formed by mixing the solution prepared respectively, film forming is molded with making gains.In addition, can be any one in non-oriented film or alignment films based on acrylic acid film.When being alignment films based on acrylic acid film, it can be uniaxial orientation film or Biaxially oriented film, and when being Biaxially oriented film based on acrylic acid film, it can be Biaxially oriented film or successively Biaxially oriented film simultaneously.
Meanwhile, Polarizer of the present invention to may further include between binder layer and protective layer and prime coat for improving bond strength.At this, prime coat can be formed by the following method: use coiling rod coating method, gravure coating process etc. on protective membrane, apply the coating solution comprising aqueous dispersion polymers resin, water dispersible fine particle and water, and dry gains.The example of aqueous dispersion polymers resin can comprise water dispersible based on the resin of urethane, water dispersible based on acrylic acid resin, water dispersible based on the resin of polyester and their combination, and as water dispersible fine particle, the particle based on inorganics can be used, as silicon oxide, titanium oxide, aluminum oxide and zirconium white; Based on organic fine particle, it is by based on organosilyl resin, resin based on fluorine, the resin based on (methyl) vinylformic acid ((meth) acryl), crosslinked polyvinyl alcohol and based on the resin of trimeric cyanamide or their combination, but described example is not limited thereto.
3. optics
Above-mentioned this Polarizer can be advantageously used in optics, as liquid crystal display device.The example of optics can comprise liquid crystal display device, described liquid crystal display device comprises: liquid crystal panel, and the Polarizer be arranged on two surfaces of described liquid crystal panel, and at this, at least one in described Polarizer can be according to Polarizer of the present invention.At this, the type of the liquid crystal panel comprised at liquid crystal display device is not particularly limited.Such as, known panel can be used without restriction: comprise the panel using passive matrix method, if twisted-nematic (TN) type, supertwist are to row (STN) type, ferroelectric (F) type or polymer dispersed (PD) type; Use the panel of active matrix method, as two-terminal (twoterminaltype) or three terminal types; With face internal conversion (IPS) panel and (VA) arranged vertically profile plate.In addition, form other components of liquid crystal display device, the type as upper substrate and hypocoxa (such as, filter substrate or array substrate) is also unrestricted, and can utilize component as known in the art without restriction.
In further detail the present invention is described hereinafter with reference to specific embodiment.
preparation embodiment 1-is based on the preparation of acrylic acid protective membrane
Raw materials pellet by the following method: to from raw material hopper to forcing machine by the resin combination supplied in 24 φ forcing machines of nitrogen replacement by obtaining with the weight ratio Homogeneous phase mixing of 100:2.5:5 poly-(N-N-cyclohexylmaleimide-copolymerization-methyl methacrylate), styrene-maleic anhydride copolymer resin and the resin based on phenoxy group, and at 250 DEG C melting gains.
As the resin based on phenoxy group, use the PKFE (Mw=60,000, Mn=16,000, Tg=95 DEG C) manufactured by InChem company (InChemRez).As styrene-maleic anhydride copolymer resin, use Dylaeck332, it is the vinylbenzene of 85wt% and the maleic anhydride of 15wt%, and as poly-(N-N-cyclohexylmaleimide-copolymerization-methyl methacrylate) resin, use the compound of the N-N-cyclohexylmaleimide (using NMR to analyze) with 6.5wt% content.
By dry under vacuo for the raw material pellet of gained, and use forcing machine 260 DEG C of meltings, then through clothes hanger type T-mould, then through chromium plating stack and dryer roll, prepare the film with 150 μm of thickness thus.By using the velocity contrast of roller with pilot scale aligning device (pilotorientationapparatus) at 125 DEG C by preparing acrylic film in MD direction with this film of percent orientation of 170%.
The acrylic film prepared by above-mentioned steps is carried out corona treatment, use 7# rod by paint base composition (wherein, by 20 weight part oxazoline linking agents, (NipponShokubai company limited produces, WS700) having in the paint base composition of the solid content of 10% of preparing by diluting CK-PUD-F (polyurethane dispersing liquid that ChokwangPaint company limited produces) with pure water is joined) be coated on a surface of acrylic film, and use tenter machine at 130 DEG C on TD direction with the percent orientation gains of 190%, final prepared have 400nm prime coat thickness based on acrylic acid protective membrane.
the preparation of preparation embodiment 2-binder composition
(1) binder composition A
Binder composition A is prepared by the following method: be mixed in 100 parts by weight resin compositions by irgacure-819 (production of the CibaSpecialtyChemicals company) radical initiator of 3 weight parts, described resin combination is prepared by the compound that [chemical formula 11] represents by below of the vinylformic acid 2-hydroxyl ethyl ester and 50 weight parts that mix 50 weight parts.
[chemical formula 11]
(2) binder composition B
Binder composition B is prepared by the following method: be mixed in 100 parts by weight resin compositions by irgacure-819 (production of the CibaSpecialtyChemicals company) radical initiator of 3 weight parts, described resin combination is prepared by the compound that [chemical formula 12] represents by below of the vinylformic acid 2-hydroxyl ethyl ester and 50 weight parts that mix 50 weight parts.
[chemical formula 12]
(3) binder composition C
Binder composition C is prepared by the following method: be mixed in 100 parts by weight resin compositions by irgacure-819 (production of the CibaSpecialtyChemicals company) radical initiator of 3 weight parts, described resin combination is prepared by the acryloyl morpholine of the vinylformic acid 2-hydroxyl ethyl ester and 50 weight parts that mix 50 weight parts.
(4) binder composition D
Binder composition D is prepared by the following method: be mixed in 100 parts by weight resin compositions by irgacure-819 (production of the CibaSpecialtyChemicals company) radical initiator of 3 weight parts, described resin combination is prepared by the propylene glycol diacrylate of the vinylformic acid 2-hydroxyl ethyl ester and 50 weight parts that mix 50 weight parts.
(5) binder composition E
Binder composition E is prepared by the following method: be mixed in 100 parts by weight resin compositions by irgacure-819 (production of the CibaSpecialtyChemicals company) radical initiator of 3 weight parts, described resin combination is prepared by the vinylformic acid of the vinylformic acid 2-hydroxyl ethyl ester and 50 weight parts that mix 50 weight parts.
(6) binder composition F
Binder composition F is prepared by the following method: be mixed in 100 parts by weight resin compositions by irgacure-819 (production of the CibaSpecialtyChemicals company) radical initiator of 3 weight parts, described resin combination is prepared by the compound that [chemical formula 13] represents by below of the vinylformic acid 2-hydroxyl ethyl ester and 50 weight parts that mix 50 weight parts.
[chemical formula 13]
embodiment 1
Application of adhesive composition A on the prime coat of the protective membrane based on acrylic film using dropping pipette to prepare in preparation embodiment 1; and gains are laminated on two surfaces of polaroid (PVA element); then after imposing a condition, make gains through laminating machine, thus make binder layer have the final thickness of 1 to 2 μm.Then, use UV irradiator (fusionlamp, D lamp) with irradiation 900mJ/cm on the surface of acrylic film lamination
2ultraviolet, thus, prepared Polarizer.The temperature of 20 DEG C and be less than 30% humidity environment under prepare Polarizer.
embodiment 2
Replace except using binder composition B, except binder composition A, preparing Polarizer in the same manner as example 1.
comparative example 1
Replace except using binder composition C, except binder composition A, preparing Polarizer in the same manner as example 1.
comparative example 2
Replace except using binder composition D, except binder composition A, preparing Polarizer in the same manner as example 1.
comparative example 3
Replace except using binder composition E, except binder composition A, preparing Polarizer in the same manner as example 1.
comparative example 4
Replace except using binder composition F, except binder composition A, preparing Polarizer in the same manner as example 1.
Measure the stripping strength of the Polarizer of preparation in embodiment 1 and 2 and comparative example 1 to 4, the second-order transition temperature of cure adhesive and water tolerance, and be shown in [table 1] below.Measuring method is as described below.
1. the evaluation of the stripping strength of Polarizer: use the Polarizer being cut to the sheet with the width of 20mm and the length of 100mm to carry out stripping test; the stripping strength of the speed using structural analysis equipment (productions of TA-XTPlus, StableMicroSystems company limited) to divide with 300m/ and 90 degree of measurement polaroids and protective membrane.At this, the stripping strength being greater than 2.5N/2cm is labeled as ◎, and the stripping strength of 1.5 to 2.5N/2cm is labeled as zero, and the stripping strength being less than 1.5N/2cm is labeled as X.
2, the evaluation of second-order transition temperature: the section of taking out the cure adhesive of Polarizer, and use differential scanning calorimeter (production of DSC, Mettler-ToledoInternational company) to measure second-order transition temperature.The temperature range measured is-30 DEG C to 200 DEG C, and with 10 DEG C of per minute scannings twice, and the second-order transition temperature measured is the second-order transition temperature when second time scanning.
3, the evaluation of water tolerance: lamination Polarizer on the glass substrate, is then immersed in the thermostatted of 60 DEG C.Measure water tolerance by the decolouring of the end at Polarizer after 24 hours, and when not decolouring, be labeled as excellence, and when there being distortion, be labeled as difference.
[table 1]
As shown in Table 1, in the embodiment 1 and 2 all comprising the first compound and the second compound, can find out that bond strength is excellent, excellent water resistance, and the binder layer of solidification has high second-order transition temperature.
But, in comparative example 1, can find out: the binder layer of solidification can have relatively high second-order transition temperature by adding acryloyl morpholine, but poor water resistance.
In addition, in comparative example 2, can find out and can improve water tolerance by propylene glycol diacrylate, but, the non-constant of bond strength, and the binder layer of solidification has low second-order transition temperature.
In addition, in comparative example 3, can find out: the binder layer of solidification can have high second-order transition temperature by adding vinylformic acid, but poor water resistance, and in Polarizer, there is strong tart flavour.
In addition, in comparative example 4, with the addition of do not wrap carboxylic bisphenol type based on acrylic acid compound as the second compound, can find out along with humidity increase bond strength decline.
Hereinbefore, describe in detail embodiments of the invention, but; the scope of protection of present invention is not limited thereto; it will be apparent to those skilled in the art that various modifications and changes may be made under the spirit of the present invention not departing from claim description.
Claims (11)
1. the binder composition that free radical is curable, it comprises:
(A) the first compound that [Formula I] represents by below;
(B) phenyl ring, (methyl) acryl and carboxyl in the molecule has the second curable compound of plural free radical separately; With
(C) radical initiator:
[Formula I]
Wherein, in [Formula I], R
1for ester group or ether; R
2for C
1 ~ 10alkyl, C
4 ~ 10cyclic hydrocarbon radical or their combination, and at this, R
2there is at least one hydroxyl substituent in the molecule; And R
3for hydrogen, or substituted or unsubstituted C
1 ~ 10alkyl.
2. the binder composition that free radical according to claim 1 is curable, wherein, described second compound is the compound that [Formulae II] represents by below:
[Formulae II]
Wherein, in [Formulae II], R
4and R
5be C independently of one another
1 ~ 10aliphatic chain, C
4 ~ 14aliphatic series ring, C
6 ~ 14aromatic ring or their combination; R
6and R
7be C independently of one another
1 ~ 14alkyl, C
4 ~ 14cyclic hydrocarbon radical, C
6 ~ 14aryl or their combination, and at this, R
6and R
7in the molecule there is at least one carboxyl substituent independently of one another; R
8and R
9be acryl or methacryloyl independently of one another; R
10for singly-bound or C
1 ~ 10alkylene; R
11and R
12be halogen atom or C independently of one another
1 ~ 10alkyl; A and b is the integer of 0 to 2 independently of one another; X
1and X
2be singly-bound or-O-independently of one another; X
3and X
4be singly-bound ,-O-,-CO-,-COO-or-OCO-independently of one another; And X
5and X
6be singly-bound or-O-independently of one another.
3. the binder composition that free radical according to claim 1 is curable, it comprises:
The binder composition curable relative to the described free radical of 100 weight parts, described first compound of 10 to 80 weight parts;
Described second compound of 10 to 80 weight parts; And
The described radical initiator of 0.5 to 10 weight part.
4. the binder composition that free radical according to claim 1 is curable, wherein, described first compound comprises one or more compounds be selected from by below in compound that [chemical formula 1] to [chemical formula 10] represent:
[chemical formula 1]
[chemical formula 2]
[chemical formula 3]
[chemical formula 4]
[chemical formula 5]
[chemical formula 6]
[chemical formula 7]
[chemical formula 8]
[chemical formula 9]
[chemical formula 10]
5. the binder composition that free radical according to claim 1 is curable, wherein, described second compound comprises one or more compounds be selected from by below in compound that [chemical formula 11] and [chemical formula 12] represent:
[chemical formula 11]
[chemical formula 12]
6. the binder composition that free radical according to claim 1 is curable, wherein, the acid number of described second compound is 50 to 300mgKOH/g.
7. the binder composition that free radical according to claim 1 is curable, it comprises photoacid generator further.
8. the binder composition that free radical according to claim 1 is curable, wherein, it has the second-order transition temperature of more than 60 DEG C after solidification.
9. the binder composition that free radical according to claim 1 is curable, it has the viscosity of 10 to 200cP.
10. a Polarizer, it comprises:
Polaroid;
At at least one binder layer formed on the surface of described polaroid; With
The polarizing plate protective film that described binder layer is formed,
Wherein, described binder layer is that the binder composition using free radical according to any one of claim 1 to 9 curable is formed.
11. Polarizers according to claim 10, described polaroid is absorb iodine or dichroic dye and the film based on polyvinyl alcohol of orientation.
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| KR20130116993 | 2013-09-30 | ||
| KR10-2013-0116993 | 2013-09-30 | ||
| KR10-2014-0121320 | 2014-09-12 | ||
| KR1020140121320A KR101685257B1 (en) | 2013-09-30 | 2014-09-12 | Radical curable adhesive composition and polarizing plate comprising the same |
| PCT/KR2014/008723 WO2015046814A1 (en) | 2013-09-30 | 2014-09-19 | Radical curing adhesive composition and polarizing plate comprising same |
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| JP (1) | JP6224833B2 (en) |
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| US9952362B2 (en) * | 2014-09-30 | 2018-04-24 | Lg Chem, Ltd. | Polarizing plate and display apparatus comprising same |
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| CN102012535A (en) * | 2009-09-04 | 2011-04-13 | 东洋油墨制造株式会社 | Polarizing plate and photocurable adhesive for forming polarizing plate |
| CN102884147A (en) * | 2010-06-28 | 2013-01-16 | 日东电工株式会社 | Pressure-sensitive adhesive layer for optical films, pressure-sensitive optical film and image display device |
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| DE19525031A1 (en) * | 1995-07-10 | 1997-01-16 | Heraeus Kulzer Gmbh | Derivatives of aromatic carboxylic acids, aromatic carboxylic anhydrides and hydroxy (meth) acrylates as well as adhesives containing these compounds |
| JPH101596A (en) * | 1996-06-19 | 1998-01-06 | Dainippon Ink & Chem Inc | Interlayer electrical insulation material for multi-layer printed wiring board |
| JP4326268B2 (en) | 2003-06-18 | 2009-09-02 | ソニーケミカル＆インフォメーションデバイス株式会社 | Polarizing plate and liquid crystal display element |
| ATE509961T1 (en) * | 2006-11-10 | 2011-06-15 | Toray Industries | PASTE COMPOSITION FOR LIGHT GUIDES AND LIGHT GUIDES THEREWITH |
| JP5105065B2 (en) | 2008-01-22 | 2012-12-19 | 東亞合成株式会社 | Method for producing polarizing plate with retardation film |
| KR101653416B1 (en) * | 2008-02-04 | 2016-09-01 | 스미또모 가가꾸 가부시키가이샤 | Polarizing plate, optical member, and liquid crystal display device |
| JP2010006905A (en) * | 2008-06-25 | 2010-01-14 | Toyobo Co Ltd | Polyester resin, photocurable-heat curable resin composition, photocurable-heat curable layer, ink, adhesive and printed circuit board |
| JP4428470B1 (en) | 2009-06-08 | 2010-03-10 | 東洋インキ製造株式会社 | Polarizing plate and adhesive composition for forming polarizing plate |
| WO2011071107A1 (en) * | 2009-12-11 | 2011-06-16 | 新日鐵化学株式会社 | Photosensitive adhesive composition having adhesiveness even after photocuring reaction and after pattern formation |
| JP5530470B2 (en) * | 2012-03-09 | 2014-06-25 | チェイル インダストリーズ インコーポレイテッド | Adhesive for polarizing plate |
| WO2014204142A1 (en) * | 2013-06-18 | 2014-12-24 | 주식회사 엘지화학 | Radical-curable adhesive composition and polarizing plate comprising same |
| KR101503216B1 (en) * | 2013-06-18 | 2015-03-17 | 주식회사 엘지화학 | Radical Curable Adhesive Composition and Polarizing Plate comprising the same |
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| CN102012535A (en) * | 2009-09-04 | 2011-04-13 | 东洋油墨制造株式会社 | Polarizing plate and photocurable adhesive for forming polarizing plate |
| CN102884147A (en) * | 2010-06-28 | 2013-01-16 | 日东电工株式会社 | Pressure-sensitive adhesive layer for optical films, pressure-sensitive optical film and image display device |
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| TW201527466A (en) | 2015-07-16 |
| TWI516560B (en) | 2016-01-11 |
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| KR101685257B1 (en) | 2016-12-09 |
| KR20150037525A (en) | 2015-04-08 |
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| CN105579541B (en) | 2017-10-27 |
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